Railways Recruitment Board Solved 2008 Paper

1. The structural and functional unit of kidneys are :
(a) Neurons
(b) Nephrons
(c) Medula
(d) None of these
Ans : (b)

2. When pollen of a flower is transferred to the stigma of the same plant, pollination type is referred to as :
(a) Autogamy
(b) Allogamy
(c) Xenogamy
(d) Geitonogamy
Ans : (a)

3. Nitrogen fixing bacteria are normally found in :
(a) Parasitic plants
(b) Epiphytic plants
(c) Leguminous plants
(d) Aquatic plants
Ans : (c)

4. The iron produced in blast furnace is :
(a) Pig iron
(b) Wrought iron
(c) Stainless steel
(d) Steel
Ans : (a)

5. Which of the following is used in accumulator cell?
(a) Copper
(b) Iron
(c) Lead
(d) Zinc
Ans : (c)

6. The nuclear fuel in the sun is
(a) Helium
(b) Uranium
(c) Hydrogen
(d) Oxygen
Ans : (c)

7. When a ray of light passes from an optically denser medium to a rarer medium, it
(a) Remains undeviated
(b) Bends towards normal
(c) Bends away from normal
(d) None of these
Ans : (c)

8. In diesel engine, ignition is caused by
(a) Spark
(b) Automatic starter
(c) Compression
(d) Friction
Ans : (c)

9. Which of the following is used in photography?
(a) Silver Bromide
(b) Sodium Bromide
(c) Potassium Chloride
(d) Sodium Sulphate
Ans : (a)

10. Laws of electrolysis are given by:
(a) Farady
(b) Maxwell
(c) Lenz
(d) Bohr
Ans : (a)

11. The raw material used for the manufacture of Portland cement is :
(a) Limestone and clay
(b) Alumina, clay and gypsum
(c) Gypsum and limestone
(d) Gypsum and clay
Ans : (b)

12. Formation is a 40% solution of :
(a) Methanol
(b) Methenal
(c) Methanoic acid
(d) None of these
Ans : (b)

13. The sight of a delicious food usually makes month watery. It is a :
(a) Hormonal response
(b) Neural response
(c) Optic response
(d) Olfactory response
Ans : (d)

14. Septic sore throat is caused by :
(a) Bacteria
(b) Virus
(c) Both
(d) Protozoans
Ans : (c)

15. Which of the following helps eye to adjust the focal length of the eye lens :
(a) Cornea
(b) Conjunctiva
(c) Ciliary body
d) Iris
Ans : (c)